https://learn.microsoft.com/cs-cz/dotnet/api/system.xml.xmlwritersettings.newlinechars?view=netframework-4.8.1&viewFallbackFrom=net-10.0
XmlWriterSettings.NewLineChars Property (System.Xml) | Microsoft Learn
Gets or sets the character string to use for line breaks.
property systemxmlmicrosoftlearn